2. Sample Papers
  3. 7th Class
  4. Computers Science

7th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-1

  • question_answer
    Compact disk is marked with, 1X, 2X, 3X??, etc. What does represent, these marks on the compact disk?

    A)  Model of the CD           

    B)  Data transfer rate

    C)  Serial number of a CD

    D)  All of these

    E)  None of these

    Correct Answer: B

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